12734940 has 48 divisors (see below), whose sum is σ = 37537920. Its totient is φ = 3216960.

The previous prime is 12734929. The next prime is 12734941. The reversal of 12734940 is 4943721.

12734940 = T₂₆₇ + T₂₆₈ + ... + T₄₅₆.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12734898 and 12734907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4446 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (782040).

Almost surely, 2^12734940 is an apocalyptic number.

12734940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12734940 is an abundant number, since it is smaller than the sum of its proper divisors (24802980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12734940 is a wasteful number, since it uses less digits than its factorization.

12734940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202 (or 11200 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12734940 is about 3568.6047693742. The cubic root of 12734940 is about 233.5244194329.

The spelling of 12734940 in words is "twelve million, seven hundred thirty-four thousand, nine hundred forty".